Apply suggestions from code review

Adopted from review suggestions.

Co-authored-by: Torsten Tejlmand Rasmussen <[email protected]>

Author: 2 people

doc/application/index.rst

@@ -478,9 +478,9 @@ Application Configuration Directory
 Zephyr will use configuration files from the application's configuration
 directory except for files with an absolute path provided by the arguments
 described earlier, for example ``CONF_FILE``, ``OVERLAY_CONFIG``, and
-``DTC_OVERLAY_FILE``.  A file in a Zephyr module can be referred by
+``DTC_OVERLAY_FILE``. A file in a Zephyr module can be referred by
 escaping the Zephyr module dir variable like this
-``\${ZEPHYR_<modulename>_MODULE_DIR}/<path-to>/<file>``
+``\${ZEPHYR_<module>_MODULE_DIR}/<path-to>/<file>``
 when setting any of said variables.
 
 The application configuration directory is defined by the

doc/guides/dts/howtos.rst

@@ -204,7 +204,7 @@ variable :makevar:`DTC_OVERLAY_FILE` contains a space- or semicolon-separated
 list of overlay files to use. If :makevar:`DTC_OVERLAY_FILE` specifies multiple
 files, they are included in that order by the C preprocessor. A file in a
 Zephyr module can be referred to by escaping the Zephyr module dir variable
-like `\${ZEPHYR_<modulename>_MODULE_DIR}/<path-to>/dts.overlay`
+like `\${ZEPHYR_<module>_MODULE_DIR}/<path-to>/dts.overlay`
 when setting the DTC_OVERLAY_FILE variable.
 
 You can set :makevar:`DTC_OVERLAY_FILE` to contain exactly the files you want